 Edward G. RobinsonNick 'Nicky' Donati | Nick 'Nicky' Donati |
 Bette DavisLouise 'Fluff' Phillips | Louise 'Fluff' Phillips |
 Humphrey BogartTurkey Morgan | Turkey Morgan |
 Wayne MorrisWard 'Kid Galahad' Guisenberry | Ward 'Kid Galahad' Guisenberry |
 Jane BryanMarie Donati | Marie Donati |
 Harry CareySilver Jackson | Silver Jackson |
 William HaadeChuck McGraw | Chuck McGraw |
 Soledad JiménezMrs. Donati | Mrs. Donati |
| JJoe CunninghamJoe Taylor | Joe Taylor |
 Ben WeldenBuzz Barett | Buzz Barett |
 Joseph CrehanBrady | Brady |
 Veda Ann BorgThe Red Head | The Red Head |
 Frank FaylenBarney | Barney |
 Harland TuckerGunman | Gunman |
| BBob EvansSam McGraw | Sam McGraw |
| HHank HankisonBurke | Burke |
| BBob NestellO'Brien | O'Brien |
| JJack KranzDenbaugh | Denbaugh |
| GGeorge BlakeReferee | Referee |
 Al BainBoxer (uncredited) | Boxer (uncredited) |
| JJack AdairParty Guest (uncredited) | Party Guest (uncredited) |
| WWilliam ArnoldReporter at Press Conference (uncredited) | Reporter at Press Conference (uncredited) |
| SSam BagleyCornerman (uncredited) | Cornerman (uncredited) |
 Don BarclayDrunk in Dressing Room (uncredited) | Drunk in Dressing Room (uncredited) |
 Curtis BentonAnnouncer (uncredited) | Announcer (uncredited) |
| PPhil BloomMinor Role (uncredited) | Minor Role (uncredited) |
| WWillie BloomMinor Role (uncredited) | Minor Role (uncredited) |
| WWilliam A. BoardwayFight Spectator (uncredited) | Fight Spectator (uncredited) |
 Don BrodieReporter in Hotel Lobby (uncredited) | Reporter in Hotel Lobby (uncredited) |
 Harry BurkhardtReporter (uncredited) | Reporter (uncredited) |
